(a) Define defecation reflex. (b) What is its function?


(a) Define defecation reflex.

(b) What is its function?


Defecation is a term that refers to pooping, or voiding feces from the body. This is something that all humans must do in order to rid of wastes from the body.

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(a) The defecation reflex occurs when stool has moved into the rectum, and is stretching the walls of the rectum. The rectum has mechanoreceptors that...

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The Physiological Process in Bowel Elimination


Chapter 13 / Lesson 1

To pass waste, bowel elimination occurs by removing solid waste that has been processed in the digestive tract. Dissect the components of the large intestine, rectum, and anus to identify the role of each in removing solid waste.

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